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3. Research and Development Expenses
6 Months Ended
Sep. 30, 2017
Research and Development [Abstract]  
Research and Development Expenses

Our research and development costs are expensed as incurred. We incurred research and development expenses during the three and six month periods ended September 30, 2017 and 2016, which are included in various operating expense line items in the accompanying condensed consolidated statements of operations. Our research and development expenses in those periods were as follows:

 

    September 30,   September 30, 
    2017   2016 
 Three months ended   $168,570   $280,860 
 Six months ended   $333,433   $377,843